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From: David Miller <davem@davemloft.net>
To: alexander.duyck@gmail.com
Cc: eric.dumazet@gmail.com, alexander.h.duyck@intel.com,
	netdev@vger.kernel.org, ilpo.jarvinen@helsinki.fi,
	ncardwell@google.com, therbert@google.com, maze@google.com,
	jeffrey.t.kirsher@intel.com, bhutchings@solarflare.com,
	mcarlson@broadcom.com, mchan@broadcom.com,
	herbert@gondor.hengli.com.au
Subject: Re: [PATCH 1/4 net-next] net: allow skb->head to be a page fragment
Date: Sat, 28 Apr 2012 05:22:38 -0400 (EDT)	[thread overview]
Message-ID: <20120428.052238.1177963256540298198.davem@davemloft.net> (raw)
In-Reply-To: <CAKgT0Uc9B0Zrocw=mtb1oS2tHL73tdB4Vj7rKdb7xcikeJxp2g@mail.gmail.com>

From: Alexander Duyck <alexander.duyck@gmail.com>
Date: Sat, 28 Apr 2012 01:27:24 -0700

> I was thinking there would be a bigger gain with a change like this
> but essentially all you are doing is making the packets more mergable
> resulting in you being able to drop the 256 bytes for the sk_buff in
> either GRO or when it gets queued for the socket.

He's also avoiding the SLUB slow path almost all of the time.

  reply	other threads:[~2012-04-28  9:23 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-27 10:33 [PATCH 1/4 net-next] net: allow skb->head to be a page fragment Eric Dumazet
2012-04-28  0:27 ` Alexander Duyck
2012-04-28  6:30   ` Eric Dumazet
2012-04-28  7:16   ` Eric Dumazet
2012-04-28  8:27     ` Alexander Duyck
2012-04-28  9:22       ` David Miller [this message]
2012-05-01  1:48 ` David Miller
2012-11-07  8:20 ` Li Yu
2012-11-07  8:35   ` Li Yu
2012-11-07 11:04     ` Eric Dumazet
2012-11-08  7:46       ` Li Yu
2012-11-08 13:30         ` Eric Dumazet
2012-11-09  2:31           ` Li Yu
2012-11-09  2:37             ` Eric Dumazet
2012-11-09  2:50               ` Li Yu

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